Interaction Scheme

Molecule

6
Tetramethylphosphonium

Host

Ta4
per-Butyl Oxatub[4]arene

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 1036.0 ± 60.0 M-1
Kd =
logKa = 3.02 ± 0.03
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -17.21 ± 0.14 -4.11 ± 0.03
Comment
Counter ion is hexafluorophosphate anion.
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Nuclear Magnetic Resonance
Nucleus H-1
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents Acetonitrile-d3 50.0 %
CD2Cl2 50.0 %
Please find here information about the dataset this interaction is part of.
Citation:

W. Jiang, L. Yang, F. Jia, D. Li, H. Wang, SupraBank 2024, Oxatub[4]arene: a molecular “transformer” capable of hosting a wide range of organic cations (dataset). https://doi.org/10.34804/supra.20230630477

Link: https://doi.org/10.34804/supra.20230630477
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

F. Jia, H.-Y. Wang, D.-H. Li, L.-P. Yang, W. Jiang, Chem. Commun. 2016, 52, 5666–5669.

Link: https://doi.org/10.1039/c6cc01052k
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Tetramethylphosphonium (0.019305019305019305 M) and per-Butyl Oxatub[4]arene (0 — 0.03861003861003861 M).